Other Trouble - Sony FWD-42PV1 Service Manual

3-7. Other Trouble

LED failure
Button failure
Is the H1 or H2 board
abnormal?
No
Is the connector of H1 or H2
board abnormal?
No
Replace the A board.
DC fan operation failure
Is the DC fan abnormal?
No
Is the connection of DC fan OK?
No
Connect the DC fan correctly.
3-6
n
For the replacement parts, refer to Section 4.
The parts other than those described in Section 4 are
not service parts. When the replacement of those parts
is required, replace them in the assembly unit.
Yes Replace the H1 or H2 board.
Yes Replace the defective parts.
n
After replacing the parts, perform the following
adjustments.
. AD calibration adjustment (Refer to Section 2.)
. White balance adjustment (Refer to Section 2.)
. EDID data input
. S-init Goods (Refer to Section 2.)
n
For the replacement parts, refer to Section 4.
The parts other than those described in Section 4 are
not service parts. When the replacement of those parts
is required, replace them in the assembly unit.
Yes Replace the DC fan.
Yes Replace the A board.
n
After replacing the parts, perform the following
adjustments.
. AD calibration adjustment (Refer to Section 2.)
. White balance adjustment (Refer to Section 2.)
. EDID data input
. S-init Goods (Refer to Section 2.)
FWD-42PV1/42PV1P/42PV1A